Daily Sunspot Evaluation
Observation Sheet Monday, 24 June 1957
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 11
- Number of spots (f)
- 185
- Relative number (R)
- 295
- Observer
- KA
- Reading
- all checks consistent
- File
- 19570624.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 29 | 2W | ||||
| 2 | C – 10 | 25 | 3E | ||||
| 3 | ? – 2 | 10 | 83E | ||||
| 4 | F – 55 | -21 | 12E | ||||
| 5 | B – 2 | -48 | 22W | ||||
| 6 | F – 41 | -37 | 38W | ||||
| 7 | J – 1 | -16 | 61W | ||||
| 8 | A – 1 | -12 | 67W | ||||
| 9 | F – 58 | 20 | 24W | ||||
| 10 | A – 3 | 26 | 21W | ||||
| 11 | B – 8 | 32 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.